From patchwork Wed Nov 30 22:56:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 629717 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9571C4708D for ; Wed, 30 Nov 2022 22:56:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229661AbiK3W4y (ORCPT ); Wed, 30 Nov 2022 17:56:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229757AbiK3W4t (ORCPT ); Wed, 30 Nov 2022 17:56:49 -0500 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8DF392A0F for ; Wed, 30 Nov 2022 14:56:44 -0800 (PST) Received: from ip5b412258.dynamic.kabel-deutschland.de ([91.65.34.88] helo=phil.lan) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1p0W0J-0005PW-7Y; Wed, 30 Nov 2022 23:56:35 +0100 From: Heiko Stuebner To: linux-riscv@lists.infradead.org, palmer@dabbelt.com Cc: christoph.muellner@vrull.eu, prabhakar.csengg@gmail.com, conor@kernel.org, philipp.tomsich@vrull.eu, ajones@ventanamicro.com, heiko@sntech.de, emil.renner.berthing@canonical.com, ardb@kernel.org, linux-efi@vger.kernel.org, Heiko Stuebner , Conor Dooley Subject: [PATCH v3 02/14] RISC-V: add prefix to all constants/macros in parse_asm.h Date: Wed, 30 Nov 2022 23:56:02 +0100 Message-Id: <20221130225614.1594256-3-heiko@sntech.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221130225614.1594256-1-heiko@sntech.de> References: <20221130225614.1594256-1-heiko@sntech.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org From: Heiko Stuebner Some of the constants and macros already have suitable RV_, RVG_ or RVC_ prefixes. Extend this to the rest of the file as well, as we want to use these things in a broader scope soon. Reviewed-by: Conor Dooley Reviewed-by: Andrew Jones Signed-off-by: Heiko Stuebner --- arch/riscv/include/asm/parse_asm.h | 194 ++++++++++++++--------------- arch/riscv/kernel/kgdb.c | 40 +++--- 2 files changed, 117 insertions(+), 117 deletions(-) diff --git a/arch/riscv/include/asm/parse_asm.h b/arch/riscv/include/asm/parse_asm.h index 7fee806805c1..ea51542e0c65 100644 --- a/arch/riscv/include/asm/parse_asm.h +++ b/arch/riscv/include/asm/parse_asm.h @@ -6,37 +6,37 @@ #include /* The bit field of immediate value in I-type instruction */ -#define I_IMM_SIGN_OPOFF 31 -#define I_IMM_11_0_OPOFF 20 -#define I_IMM_SIGN_OFF 12 -#define I_IMM_11_0_OFF 0 -#define I_IMM_11_0_MASK GENMASK(11, 0) +#define RV_I_IMM_SIGN_OPOFF 31 +#define RV_I_IMM_11_0_OPOFF 20 +#define RV_I_IMM_SIGN_OFF 12 +#define RV_I_IMM_11_0_OFF 0 +#define RV_I_IMM_11_0_MASK GENMASK(11, 0) /* The bit field of immediate value in J-type instruction */ -#define J_IMM_SIGN_OPOFF 31 -#define J_IMM_10_1_OPOFF 21 -#define J_IMM_11_OPOFF 20 -#define J_IMM_19_12_OPOFF 12 -#define J_IMM_SIGN_OFF 20 -#define J_IMM_10_1_OFF 1 -#define J_IMM_11_OFF 11 -#define J_IMM_19_12_OFF 12 -#define J_IMM_10_1_MASK GENMASK(9, 0) -#define J_IMM_11_MASK GENMASK(0, 0) -#define J_IMM_19_12_MASK GENMASK(7, 0) +#define RV_J_IMM_SIGN_OPOFF 31 +#define RV_J_IMM_10_1_OPOFF 21 +#define RV_J_IMM_11_OPOFF 20 +#define RV_J_IMM_19_12_OPOFF 12 +#define RV_J_IMM_SIGN_OFF 20 +#define RV_J_IMM_10_1_OFF 1 +#define RV_J_IMM_11_OFF 11 +#define RV_J_IMM_19_12_OFF 12 +#define RV_J_IMM_10_1_MASK GENMASK(9, 0) +#define RV_J_IMM_11_MASK GENMASK(0, 0) +#define RV_J_IMM_19_12_MASK GENMASK(7, 0) /* The bit field of immediate value in B-type instruction */ -#define B_IMM_SIGN_OPOFF 31 -#define B_IMM_10_5_OPOFF 25 -#define B_IMM_4_1_OPOFF 8 -#define B_IMM_11_OPOFF 7 -#define B_IMM_SIGN_OFF 12 -#define B_IMM_10_5_OFF 5 -#define B_IMM_4_1_OFF 1 -#define B_IMM_11_OFF 11 -#define B_IMM_10_5_MASK GENMASK(5, 0) -#define B_IMM_4_1_MASK GENMASK(3, 0) -#define B_IMM_11_MASK GENMASK(0, 0) +#define RV_B_IMM_SIGN_OPOFF 31 +#define RV_B_IMM_10_5_OPOFF 25 +#define RV_B_IMM_4_1_OPOFF 8 +#define RV_B_IMM_11_OPOFF 7 +#define RV_B_IMM_SIGN_OFF 12 +#define RV_B_IMM_10_5_OFF 5 +#define RV_B_IMM_4_1_OFF 1 +#define RV_B_IMM_11_OFF 11 +#define RV_B_IMM_10_5_MASK GENMASK(5, 0) +#define RV_B_IMM_4_1_MASK GENMASK(3, 0) +#define RV_B_IMM_11_MASK GENMASK(0, 0) /* The register offset in RVG instruction */ #define RVG_RS1_OPOFF 15 @@ -100,71 +100,71 @@ #define RVC_C2_RD_OPOFF 7 /* parts of opcode for RVG*/ -#define OPCODE_BRANCH 0x63 -#define OPCODE_JALR 0x67 -#define OPCODE_JAL 0x6f -#define OPCODE_SYSTEM 0x73 +#define RVG_OPCODE_BRANCH 0x63 +#define RVG_OPCODE_JALR 0x67 +#define RVG_OPCODE_JAL 0x6f +#define RVG_OPCODE_SYSTEM 0x73 /* parts of opcode for RVC*/ -#define OPCODE_C_0 0x0 -#define OPCODE_C_1 0x1 -#define OPCODE_C_2 0x2 +#define RVC_OPCODE_C0 0x0 +#define RVC_OPCODE_C1 0x1 +#define RVC_OPCODE_C2 0x2 /* parts of funct3 code for I, M, A extension*/ -#define FUNCT3_JALR 0x0 -#define FUNCT3_BEQ 0x0 -#define FUNCT3_BNE 0x1000 -#define FUNCT3_BLT 0x4000 -#define FUNCT3_BGE 0x5000 -#define FUNCT3_BLTU 0x6000 -#define FUNCT3_BGEU 0x7000 +#define RVG_FUNCT3_JALR 0x0 +#define RVG_FUNCT3_BEQ 0x0 +#define RVG_FUNCT3_BNE 0x1000 +#define RVG_FUNCT3_BLT 0x4000 +#define RVG_FUNCT3_BGE 0x5000 +#define RVG_FUNCT3_BLTU 0x6000 +#define RVG_FUNCT3_BGEU 0x7000 /* parts of funct3 code for C extension*/ -#define FUNCT3_C_BEQZ 0xc000 -#define FUNCT3_C_BNEZ 0xe000 -#define FUNCT3_C_J 0xa000 -#define FUNCT3_C_JAL 0x2000 -#define FUNCT4_C_JR 0x8000 -#define FUNCT4_C_JALR 0x9000 - -#define FUNCT12_SRET 0x10200000 - -#define MATCH_JALR (FUNCT3_JALR | OPCODE_JALR) -#define MATCH_JAL (OPCODE_JAL) -#define MATCH_BEQ (FUNCT3_BEQ | OPCODE_BRANCH) -#define MATCH_BNE (FUNCT3_BNE | OPCODE_BRANCH) -#define MATCH_BLT (FUNCT3_BLT | OPCODE_BRANCH) -#define MATCH_BGE (FUNCT3_BGE | OPCODE_BRANCH) -#define MATCH_BLTU (FUNCT3_BLTU | OPCODE_BRANCH) -#define MATCH_BGEU (FUNCT3_BGEU | OPCODE_BRANCH) -#define MATCH_SRET (FUNCT12_SRET | OPCODE_SYSTEM) -#define MATCH_C_BEQZ (FUNCT3_C_BEQZ | OPCODE_C_1) -#define MATCH_C_BNEZ (FUNCT3_C_BNEZ | OPCODE_C_1) -#define MATCH_C_J (FUNCT3_C_J | OPCODE_C_1) -#define MATCH_C_JAL (FUNCT3_C_JAL | OPCODE_C_1) -#define MATCH_C_JR (FUNCT4_C_JR | OPCODE_C_2) -#define MATCH_C_JALR (FUNCT4_C_JALR | OPCODE_C_2) - -#define MASK_JALR 0x707f -#define MASK_JAL 0x7f -#define MASK_C_JALR 0xf07f -#define MASK_C_JR 0xf07f -#define MASK_C_JAL 0xe003 -#define MASK_C_J 0xe003 -#define MASK_BEQ 0x707f -#define MASK_BNE 0x707f -#define MASK_BLT 0x707f -#define MASK_BGE 0x707f -#define MASK_BLTU 0x707f -#define MASK_BGEU 0x707f -#define MASK_C_BEQZ 0xe003 -#define MASK_C_BNEZ 0xe003 -#define MASK_SRET 0xffffffff +#define RVC_FUNCT3_C_BEQZ 0xc000 +#define RVC_FUNCT3_C_BNEZ 0xe000 +#define RVC_FUNCT3_C_J 0xa000 +#define RVC_FUNCT3_C_JAL 0x2000 +#define RVC_FUNCT4_C_JR 0x8000 +#define RVC_FUNCT4_C_JALR 0x9000 + +#define RVG_FUNCT12_SRET 0x10200000 + +#define RVG_MATCH_JALR (RVG_FUNCT3_JALR | RVG_OPCODE_JALR) +#define RVG_MATCH_JAL (RVG_OPCODE_JAL) +#define RVG_MATCH_BEQ (RVG_FUNCT3_BEQ | RVG_OPCODE_BRANCH) +#define RVG_MATCH_BNE (RVG_FUNCT3_BNE | RVG_OPCODE_BRANCH) +#define RVG_MATCH_BLT (RVG_FUNCT3_BLT | RVG_OPCODE_BRANCH) +#define RVG_MATCH_BGE (RVG_FUNCT3_BGE | RVG_OPCODE_BRANCH) +#define RVG_MATCH_BLTU (RVG_FUNCT3_BLTU | RVG_OPCODE_BRANCH) +#define RVG_MATCH_BGEU (RVG_FUNCT3_BGEU | RVG_OPCODE_BRANCH) +#define RVG_MATCH_SRET (RVG_FUNCT12_SRET | RVG_OPCODE_SYSTEM) +#define RVC_MATCH_C_BEQZ (RVC_FUNCT3_C_BEQZ | RVC_OPCODE_C1) +#define RVC_MATCH_C_BNEZ (RVC_FUNCT3_C_BNEZ | RVC_OPCODE_C1) +#define RVC_MATCH_C_J (RVC_FUNCT3_C_J | RVC_OPCODE_C1) +#define RVC_MATCH_C_JAL (RVC_FUNCT3_C_JAL | RVC_OPCODE_C1) +#define RVC_MATCH_C_JR (RVC_FUNCT4_C_JR | RVC_OPCODE_C2) +#define RVC_MATCH_C_JALR (RVC_FUNCT4_C_JALR | RVC_OPCODE_C2) + +#define RVG_MASK_JALR 0x707f +#define RVG_MASK_JAL 0x7f +#define RVC_MASK_C_JALR 0xf07f +#define RVC_MASK_C_JR 0xf07f +#define RVC_MASK_C_JAL 0xe003 +#define RVC_MASK_C_J 0xe003 +#define RVG_MASK_BEQ 0x707f +#define RVG_MASK_BNE 0x707f +#define RVG_MASK_BLT 0x707f +#define RVG_MASK_BGE 0x707f +#define RVG_MASK_BLTU 0x707f +#define RVG_MASK_BGEU 0x707f +#define RVC_MASK_C_BEQZ 0xe003 +#define RVC_MASK_C_BNEZ 0xe003 +#define RVG_MASK_SRET 0xffffffff #define __INSN_LENGTH_MASK _UL(0x3) #define __INSN_LENGTH_GE_32 _UL(0x3) #define __INSN_OPCODE_MASK _UL(0x7F) -#define __INSN_BRANCH_OPCODE _UL(OPCODE_BRANCH) +#define __INSN_BRANCH_OPCODE _UL(RVG_OPCODE_BRANCH) /* Define a series of is_XXX_insn functions to check if the value INSN * is an instance of instruction XXX. @@ -180,26 +180,26 @@ static inline bool is_ ## INSN_NAME ## _insn(long insn) \ #define RV_X(X, s, mask) (((X) >> (s)) & (mask)) #define RVC_X(X, s, mask) RV_X(X, s, mask) -#define EXTRACT_JTYPE_IMM(x) \ +#define RV_EXTRACT_JTYPE_IMM(x) \ ({typeof(x) x_ = (x); \ - (RV_X(x_, J_IMM_10_1_OPOFF, J_IMM_10_1_MASK) << J_IMM_10_1_OFF) | \ - (RV_X(x_, J_IMM_11_OPOFF, J_IMM_11_MASK) << J_IMM_11_OFF) | \ - (RV_X(x_, J_IMM_19_12_OPOFF, J_IMM_19_12_MASK) << J_IMM_19_12_OFF) | \ - (RV_IMM_SIGN(x_) << J_IMM_SIGN_OFF); }) + (RV_X(x_, RV_J_IMM_10_1_OPOFF, RV_J_IMM_10_1_MASK) << RV_J_IMM_10_1_OFF) | \ + (RV_X(x_, RV_J_IMM_11_OPOFF, RV_J_IMM_11_MASK) << RV_J_IMM_11_OFF) | \ + (RV_X(x_, RV_J_IMM_19_12_OPOFF, RV_J_IMM_19_12_MASK) << RV_J_IMM_19_12_OFF) | \ + (RV_IMM_SIGN(x_) << RV_J_IMM_SIGN_OFF); }) -#define EXTRACT_ITYPE_IMM(x) \ +#define RV_EXTRACT_ITYPE_IMM(x) \ ({typeof(x) x_ = (x); \ - (RV_X(x_, I_IMM_11_0_OPOFF, I_IMM_11_0_MASK)) | \ - (RV_IMM_SIGN(x_) << I_IMM_SIGN_OFF); }) + (RV_X(x_, RV_I_IMM_11_0_OPOFF, RV_I_IMM_11_0_MASK)) | \ + (RV_IMM_SIGN(x_) << RV_I_IMM_SIGN_OFF); }) -#define EXTRACT_BTYPE_IMM(x) \ +#define RV_EXTRACT_BTYPE_IMM(x) \ ({typeof(x) x_ = (x); \ - (RV_X(x_, B_IMM_4_1_OPOFF, B_IMM_4_1_MASK) << B_IMM_4_1_OFF) | \ - (RV_X(x_, B_IMM_10_5_OPOFF, B_IMM_10_5_MASK) << B_IMM_10_5_OFF) | \ - (RV_X(x_, B_IMM_11_OPOFF, B_IMM_11_MASK) << B_IMM_11_OFF) | \ - (RV_IMM_SIGN(x_) << B_IMM_SIGN_OFF); }) + (RV_X(x_, RV_B_IMM_4_1_OPOFF, RV_B_IMM_4_1_MASK) << RV_B_IMM_4_1_OFF) | \ + (RV_X(x_, RV_B_IMM_10_5_OPOFF, RV_B_IMM_10_5_MASK) << RV_B_IMM_10_5_OFF) | \ + (RV_X(x_, RV_B_IMM_11_OPOFF, RV_B_IMM_11_MASK) << RV_B_IMM_11_OFF) | \ + (RV_IMM_SIGN(x_) << RV_B_IMM_SIGN_OFF); }) -#define EXTRACT_RVC_J_IMM(x) \ +#define RVC_EXTRACT_JTYPE_IMM(x) \ ({typeof(x) x_ = (x); \ (RVC_X(x_, RVC_J_IMM_3_1_OPOFF, RVC_J_IMM_3_1_MASK) << RVC_J_IMM_3_1_OFF) | \ (RVC_X(x_, RVC_J_IMM_4_OPOFF, RVC_J_IMM_4_MASK) << RVC_J_IMM_4_OFF) | \ @@ -210,7 +210,7 @@ static inline bool is_ ## INSN_NAME ## _insn(long insn) \ (RVC_X(x_, RVC_J_IMM_10_OPOFF, RVC_J_IMM_10_MASK) << RVC_J_IMM_10_OFF) | \ (RVC_IMM_SIGN(x_) << RVC_J_IMM_SIGN_OFF); }) -#define EXTRACT_RVC_B_IMM(x) \ +#define RVC_EXTRACT_BTYPE_IMM(x) \ ({typeof(x) x_ = (x); \ (RVC_X(x_, RVC_B_IMM_2_1_OPOFF, RVC_B_IMM_2_1_MASK) << RVC_B_IMM_2_1_OFF) | \ (RVC_X(x_, RVC_B_IMM_4_3_OPOFF, RVC_B_IMM_4_3_MASK) << RVC_B_IMM_4_3_OFF) | \ diff --git a/arch/riscv/kernel/kgdb.c b/arch/riscv/kernel/kgdb.c index 963ed7edcff2..137c6d870d58 100644 --- a/arch/riscv/kernel/kgdb.c +++ b/arch/riscv/kernel/kgdb.c @@ -29,20 +29,20 @@ DECLARE_INSN(c_jal, MATCH_C_JAL, MASK_C_JAL) #else #define is_c_jal_insn(opcode) 0 #endif -DECLARE_INSN(jalr, MATCH_JALR, MASK_JALR) -DECLARE_INSN(jal, MATCH_JAL, MASK_JAL) -DECLARE_INSN(c_jr, MATCH_C_JR, MASK_C_JR) -DECLARE_INSN(c_jalr, MATCH_C_JALR, MASK_C_JALR) -DECLARE_INSN(c_j, MATCH_C_J, MASK_C_J) -DECLARE_INSN(beq, MATCH_BEQ, MASK_BEQ) -DECLARE_INSN(bne, MATCH_BNE, MASK_BNE) -DECLARE_INSN(blt, MATCH_BLT, MASK_BLT) -DECLARE_INSN(bge, MATCH_BGE, MASK_BGE) -DECLARE_INSN(bltu, MATCH_BLTU, MASK_BLTU) -DECLARE_INSN(bgeu, MATCH_BGEU, MASK_BGEU) -DECLARE_INSN(c_beqz, MATCH_C_BEQZ, MASK_C_BEQZ) -DECLARE_INSN(c_bnez, MATCH_C_BNEZ, MASK_C_BNEZ) -DECLARE_INSN(sret, MATCH_SRET, MASK_SRET) +DECLARE_INSN(jalr, RVG_MATCH_JALR, RVG_MASK_JALR) +DECLARE_INSN(jal, RVG_MATCH_JAL, RVG_MASK_JAL) +DECLARE_INSN(c_jr, RVC_MATCH_C_JR, RVC_MASK_C_JR) +DECLARE_INSN(c_jalr, RVC_MATCH_C_JALR, RVC_MASK_C_JALR) +DECLARE_INSN(c_j, RVC_MATCH_C_J, RVC_MASK_C_J) +DECLARE_INSN(beq, RVG_MATCH_BEQ, RVG_MASK_BEQ) +DECLARE_INSN(bne, RVG_MATCH_BNE, RVG_MASK_BNE) +DECLARE_INSN(blt, RVG_MATCH_BLT, RVG_MASK_BLT) +DECLARE_INSN(bge, RVG_MATCH_BGE, RVG_MASK_BGE) +DECLARE_INSN(bltu, RVG_MATCH_BLTU, RVG_MASK_BLTU) +DECLARE_INSN(bgeu, RVG_MATCH_BGEU, RVG_MASK_BGEU) +DECLARE_INSN(c_beqz, RVC_MATCH_C_BEQZ, RVC_MASK_C_BEQZ) +DECLARE_INSN(c_bnez, RVC_MATCH_C_BNEZ, RVC_MASK_C_BNEZ) +DECLARE_INSN(sret, RVG_MATCH_SRET, RVG_MASK_SRET) static int decode_register_index(unsigned long opcode, int offset) { @@ -69,19 +69,19 @@ static int get_step_address(struct pt_regs *regs, unsigned long *next_addr) rs1_num = decode_register_index(op_code, RVC_C2_RS1_OPOFF); *next_addr = regs_ptr[rs1_num]; } else if (is_c_j_insn(op_code) || is_c_jal_insn(op_code)) { - *next_addr = EXTRACT_RVC_J_IMM(op_code) + pc; + *next_addr = RVC_EXTRACT_JTYPE_IMM(op_code) + pc; } else if (is_c_beqz_insn(op_code)) { rs1_num = decode_register_index_short(op_code, RVC_C1_RS1_OPOFF); if (!rs1_num || regs_ptr[rs1_num] == 0) - *next_addr = EXTRACT_RVC_B_IMM(op_code) + pc; + *next_addr = RVC_EXTRACT_BTYPE_IMM(op_code) + pc; else *next_addr = pc + 2; } else if (is_c_bnez_insn(op_code)) { rs1_num = decode_register_index_short(op_code, RVC_C1_RS1_OPOFF); if (rs1_num && regs_ptr[rs1_num] != 0) - *next_addr = EXTRACT_RVC_B_IMM(op_code) + pc; + *next_addr = RVC_EXTRACT_BTYPE_IMM(op_code) + pc; else *next_addr = pc + 2; } else { @@ -90,7 +90,7 @@ static int get_step_address(struct pt_regs *regs, unsigned long *next_addr) } else { if ((op_code & __INSN_OPCODE_MASK) == __INSN_BRANCH_OPCODE) { bool result = false; - long imm = EXTRACT_BTYPE_IMM(op_code); + long imm = RV_EXTRACT_BTYPE_IMM(op_code); unsigned long rs1_val = 0, rs2_val = 0; rs1_num = decode_register_index(op_code, RVG_RS1_OPOFF); @@ -121,12 +121,12 @@ static int get_step_address(struct pt_regs *regs, unsigned long *next_addr) else *next_addr = pc + 4; } else if (is_jal_insn(op_code)) { - *next_addr = EXTRACT_JTYPE_IMM(op_code) + pc; + *next_addr = RV_EXTRACT_JTYPE_IMM(op_code) + pc; } else if (is_jalr_insn(op_code)) { rs1_num = decode_register_index(op_code, RVG_RS1_OPOFF); if (rs1_num) *next_addr = ((unsigned long *)regs)[rs1_num]; - *next_addr += EXTRACT_ITYPE_IMM(op_code); + *next_addr += RV_EXTRACT_ITYPE_IMM(op_code); } else if (is_sret_insn(op_code)) { *next_addr = pc; } else {